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Updated: Jun 17, 2026

Glass-Based Devices to Generate Drops and Emulsions
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Glass-Based Devices to Generate Drops and Emulsions

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Electrowetting: a versatile tool for drop manipulation, generation, and characterization.

Frieder Mugele1, Michel Duits, Dirk van den Ende

  • 1Physics of Complex Fluids, Univ. of Twente, MESA+ Institute for Nanotechnology and Institute for Mechanics Processes and Control Twente, PO Box 217, 7500 AE Enschede, The Netherlands. f.mugele@utwente.nl

Advances in Colloid and Interface Science
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

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Electrowetting (EW) offers flexible control over surface wettability. This study explores EW

Area of Science:

  • Physics
  • Materials Science
  • Surface Science

Background:

  • Electrowetting (EW) is a powerful technique for manipulating surface wettability using an external electrical parameter.
  • Controlling wettability is crucial for various applications in microfluidics and materials science.

Purpose of the Study:

  • To explore the physical origins and novel applications of electrowetting.
  • To investigate electrowetting's utility in material property extraction and microfluidic control.

Main Methods:

  • Discussion of the physical principles behind electrowetting.
  • Presentation of modified electrowetting equations for AC voltage and low-conductivity fluids.
  • Review of electrowetting applications on structured surfaces and for droplet generation.

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Generation of Size-controlled Poly (ethylene Glycol) Diacrylate Droplets via Semi-3-Dimensional Flow Focusing Microfluidic Devices
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Electrowetting-based Digital Microfluidics Platform for Automated Enzyme-linked Immunosorbent Assay
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Electrowetting-based Digital Microfluidics Platform for Automated Enzyme-linked Immunosorbent Assay

Published on: February 23, 2020

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Last Updated: Jun 17, 2026

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Generation of Size-controlled Poly (ethylene Glycol) Diacrylate Droplets via Semi-3-Dimensional Flow Focusing Microfluidic Devices
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Electrowetting-based Digital Microfluidics Platform for Automated Enzyme-linked Immunosorbent Assay
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Electrowetting-based Digital Microfluidics Platform for Automated Enzyme-linked Immunosorbent Assay

Published on: February 23, 2020

Main Results:

  • Electrowetting can be used to determine interfacial and elastic properties of droplets.
  • Modified EW equations are presented for finite AC voltage and partial electric field penetration.
  • Finite conductivity effects are significant in electrowetting on structured surfaces and droplet generation.

Conclusions:

  • Electrowetting provides a versatile platform for controlling surface properties and extracting material characteristics.
  • Understanding finite conductivity effects is essential for advanced electrowetting applications.
  • Integrating electrowetting into microfluidic devices enhances droplet manipulation capabilities.